$145 Cheap United flights Charlotte (CLT) to Boston (BOS)

You can find affordable round-trip United Airlines flights from $254 from CLT to BOS by filtering your results from “Price (lowest to highest)” on Expedia. Or look for options from $145 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

January is one of the least expensive months to fly to Boston with United Airlines. You could also find fantastic deals on one-way and return fares in February.

To find cheap United Airlines fares from Charlotte-Douglas Intl. Airport (CLT) to Logan Intl. Airport (BOS), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact the cost. Sunday is usually the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Use the “Nonstop” filter when searching for direct United Airlines flights from CLT to BOS. You can also compare other carriers servicing the same direct trip.

Sort your results by “Early Morning” and “Morning” to find the earliest departures from CLT to BOS. Leaving early means flight cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Logan Intl. Airport (BOS) is the main Boston hub for United Airlines flights from Charlotte-Douglas Intl. Airport (CLT).

Offering a rewarding loyalty program, United Airlines is a popular choice for many passengers journeying from CLT to BOS. Plus, if you’re a United Mileage Plus and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the type of fare you purchased, a fee generally applies if you cancel or reschedule your flight more than 24 hours after it’s been confirmed. To secure plane tickets with more flexibility, select our “Changes included” or “No cancel fee” filter while searching for flights. For more details on canceling or changing your reservation, go to “Trips,” select your flight and click on “Manage Booking.”